Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

Page Load Speed

838 ms in total

First Response

191 ms

Resources Loaded

529 ms

Page Rendered

118 ms

labs21benchmarking.lbl.gov screenshot

About Website

Visit labs21benchmarking.lbl.gov now to see the best up-to-date Labs 21 Benchmarking Lbl content for United States and also check out these interesting facts you probably never knew about labs21benchmarking.lbl.gov

Visit labs21benchmarking.lbl.gov

Key Findings

We analyzed Labs21benchmarking.lbl.gov page load time and found that the first response time was 191 ms and then it took 647 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

labs21benchmarking.lbl.gov performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

labs21benchmarking.lbl.gov

191 ms

labs21.css

133 ms

css_browser_selector.js

134 ms

bannerL2_01.gif

135 ms

bannerL2_02.gif

135 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Labs21benchmarking.lbl.gov and no external sources were called. The less responsive or slowest element that took the longest time to load (199 ms) belongs to the original domain Labs21benchmarking.lbl.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.6 kB (88%)

Content Size

79.3 kB

After Optimization

9.7 kB

In fact, the total size of Labs21benchmarking.lbl.gov main page is 79.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 71.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.3 kB

  • Original 5.9 kB
  • After minification 4.0 kB
  • After compression 1.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 1.9 kB, which is 32% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.3 kB or 72% of the original size.

Image Optimization

-90%

Potential reduce by 63.7 kB

  • Original 71.1 kB
  • After minification 7.4 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Labs 21 Benchmarking Lbl needs image optimization as it can save up to 63.7 kB or 90% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 688 B

  • Original 1.2 kB
  • After minification 897 B
  • After compression 469 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 688 B or 59% of the original size.

CSS Optimization

-76%

Potential reduce by 901 B

  • Original 1.2 kB
  • After minification 461 B
  • After compression 278 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Labs21benchmarking.lbl.gov needs all CSS files to be minified and compressed as it can save up to 901 B or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Labs 21 Benchmarking Lbl. According to our analytics all requests are already optimized.

Accessibility Review

labs21benchmarking.lbl.gov accessibility score

94

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

labs21benchmarking.lbl.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

labs21benchmarking.lbl.gov SEO score

89

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Labs21benchmarking.lbl.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Labs21benchmarking.lbl.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Labs 21 Benchmarking Lbl. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: